131403066554 has 16 divisors (see below), whose sum is σ = 205079946120. Its totient is φ = 63069276480.

The previous prime is 131403066517. The next prime is 131403066577. The reversal of 131403066554 is 455660304131.

It can be written as a sum of positive squares in 4 ways, for example, as 125886588025 + 5516478529 = 354805^2 + 74273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6537857 + ... + 6557924.

Almost surely, 2^131403066554 is an apocalyptic number.

131403066554 is a deficient number, since it is larger than the sum of its proper divisors (73676879566).

131403066554 is a wasteful number, since it uses less digits than its factorization.

131403066554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13095985.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 131403066554 in words is "one hundred thirty-one billion, four hundred three million, sixty-six thousand, five hundred fifty-four".